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Wang G, Ma F, Zhu L, Zhu P, Tang L, Hu H, Liu L, Li S, Zeng Z, Wang L, Xue Q. Bioinspired Slippery Surfaces for Liquid Manipulation from Tiny Droplet to Bulk Fluid. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311489. [PMID: 38696759 DOI: 10.1002/adma.202311489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 04/04/2024] [Indexed: 05/04/2024]
Abstract
Slippery surfaces, which originate in nature with special wettability, have attracted considerable attention in both fundamental research and practical applications in a variety of fields due to their unique characteristics of superlow liquid friction and adhesion. Although research on bioinspired slippery surfaces is still in its infancy, it is a rapidly growing and enormously promising field. Herein, a systematic review of recent progress in bioinspired slippery surfaces, beginning with a brief introduction of several typical creatures with slippery property in nature, is presented. Subsequently,this review gives a detailed discussion on the basic concepts of the wetting, friction, and drag from micro- and macro-aspects and focuses on the underlying slippery mechanism. Next, the state-of-the-art developments in three categories of slippery surfaces of air-trapped, liquid-infused, and liquid-like slippery surfaces, including materials, design principles, and preparation methods, are summarized and the emerging applications are highlighted. Finally, the current challenges and future prospects of various slippery surfaces are addressed.
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Affiliation(s)
- Gang Wang
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Fuliang Ma
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Lijing Zhu
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Ping Zhu
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Lei Tang
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Hongyi Hu
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Luqi Liu
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Shuangyang Li
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Zhixiang Zeng
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Liping Wang
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Qunji Xue
- Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
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Chang Y, Xiao S, Yu H, Ma R, Skallerud BH, Zhang Z, He J. Unraveling Ice-Solid Interface Rupture Dynamics: Insights from Molecular Dynamics Simulations. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:17090-17097. [PMID: 39099469 PMCID: PMC11325647 DOI: 10.1021/acs.langmuir.4c02079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/06/2024]
Abstract
Unwanted icing on exposed surfaces poses significant risks, driving the quest for effective anti-icing mechanisms. While fracture mechanics concepts have been developed for designing coatings that weaken the ice-solid interface on soft surfaces, the factors that dictate ice adhesion strength and its counterpart, ice removal force, on hard surfaces remain poorly understood. In this study, we employ molecular dynamics simulations to investigate the interface rupture between ice and a hard solid substrate. The results indicate that the ice adhesion strength is contingent on the length of the ice cube. By examining the shearing behavior, we reveal a nanoscale critical force-bearing length. The shear force required to detach the ice scales proportionally with the length of the ice cube when it is smaller than the critical length. Once the ice cube length exceeds the critical length, the shear force stabilizes at a constant maximum value, revealing the existence of a maximum ice-removal force. The results align with the so-called strength versus toughness-controlled deicing regimes and are in agreement with cohesive zone modeling at the continuum length scale and recent experimental results. Our results extend this understanding to the nanoscale, confirming consistency between macro and micro scales. This consistency suggests that the toughness of the ice-solid interface is intrinsically governed by ice-surface interactions. By unraveling key intrinsic factors and their scale-dependent effects on the interface rupture of ice on surfaces, this study lays a solid theoretical foundation for the design and fabrication of next-generation anti-icing surfaces.
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Affiliation(s)
- Yuanhao Chang
- NTNU Nanomechanical Lab, Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Senbo Xiao
- NTNU Nanomechanical Lab, Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Haiyang Yu
- Division of Applied Mechanics, Department of Materials Science and Engineering, Uppsala University, SE-75121 Uppsala, Sweden
| | - Rui Ma
- NTNU Nanomechanical Lab, Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Bjørn Helge Skallerud
- NTNU Nanomechanical Lab, Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Zhiliang Zhang
- NTNU Nanomechanical Lab, Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Jianying He
- NTNU Nanomechanical Lab, Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
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Chen X, Sun JJ, Zheng SF, Wei BJ, Zhang LZ, Gao SR, Yang YR, Wang XD. Droplet Impact on Superhydrophobic Mesh Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 39083646 DOI: 10.1021/acs.langmuir.4c02004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
Reducing the contact time of droplet impacts on surfaces is crucial for various applications including corrosion prevention and anti-icing. This study aims to explore a novel strategy that greatly reduces contact time using a superhydrophobic mesh surface with multiple sets of mutually perpendicular ridges while minimizing the influence of the impacting location. The effects of the impact Weber numbers and ridge spacing on the characteristics of the impact dynamics and contact time are studied experimentally. The experimental results reveal that, for the droplet impact on mesh surfaces, ridges can segment the liquid film into independently multiple-retracting liquid subunits. The retracted subunits provide the upward driving force, which may promote the splashing or pancake bouncing of droplets. At this point, the contact time has a negligible sensitivity for the impacting position and is significantly reduced by up to 68%. Furthermore, the time, dynamic pressure, and energy criteria for triggering splashing and pancake bouncing are proposed theoretically. This work provides an understanding of the mechanism and the design guidelines for effectively reducing the contact time of the impacting droplet on superhydrophobic surfaces.
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Affiliation(s)
- Xu Chen
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
| | - Jun-Jun Sun
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
| | - Shao-Fei Zheng
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
| | - Bo-Jian Wei
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
| | - Ling-Zhe Zhang
- School of Civil Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
| | - Shu-Rong Gao
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
| | - Yan-Ru Yang
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
| | - Xiao-Dong Wang
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
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Wei J, Rao L, Huang M, Xiao X, Wang J. "Honeycomb" Photothermal Lubricated Porous Foam with Low-Temperature, Weak-Light, Anti-Icing/Deicing, and Long-Lasting Lubrication Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:13728-13738. [PMID: 38904776 DOI: 10.1021/acs.langmuir.4c01790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
The prevalence of icing in nature has become a significant threat to human work and life, prompting the development of more energy-efficient active/passive combination anti-icing/deicing technologies. In order to overcome the disadvantage of the poor durability of superhydrophobic surfaces, lubricated surfaces inspired by nepenthes have been preferred. In this study, a paraffin and silicone oil-infused photothermal foam (PSIPF) with excellent overall performance was prepared using polypyrrole (PPy) as a photothermal conversion material, a mixture of silicone oil and paraffin as a lubricating fluid, and melamine foam (MF) as a carrier. The surface adhesive strength is less than 20 kPa at -20 °C, the melting time is only 1018 s at an irradiance of 200 W/m2 and -20 °C (0.2 sun), and surface droplets do not freeze within 1 h at -10 °C. Furthermore, the surface exhibits excellent mechanical durability and stability, maintaining optimal lubrication properties following repeated cycles of icing/deicing, water rinsing, and immersion for 2 days in acid and alkaline conditions. This photothermal lubricated surface with excellent anti-icing/deicing properties at low temperatures and in weak-light environments provides a wider range of applications for equipment at high latitudes and high altitudes.
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Affiliation(s)
- Jue Wei
- Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Li Rao
- Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Min Huang
- Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Xin Xiao
- Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Jian Wang
- Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, People's Republic of China
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Zhang R, Ding Z, Wang K, Zhang H, Li J. Enhanced Anti/De-Icing Performance on Rough Surfaces Based on The Synergistic Effect of Fluorinated Resin and Embedded Graphene. SMALL METHODS 2024; 8:e2301262. [PMID: 38227388 DOI: 10.1002/smtd.202301262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/25/2023] [Indexed: 01/17/2024]
Abstract
Icing negatively impacts various industrial sectors and daily life, often leading to severe safety problems and substantial economic losses. In this work, a fluorinated resin coating with embedded graphene nanoflakes is prepared using a spin-coating curing process. The results shows that the ice adhesion strength is reduced by ≈97.0% compared to the mirrored aluminum plate, and the icing time is delayed by a factor of 46.3 under simulated solar radiation power of 96 mW cm-2 (1 sun) at an ambient temperature of -15 °C. The superior anti/de-icing properties of the coating are mainly attributed to the synergistic effect of the fluorinated resin with a low surface energy, the rough structure of the sandblasted aluminum plate, which reduces the contact area, and the embedded graphene nanoflakes with a superior photothermal effect. Furthermore, the hydrogen bonding competition effect between the exposed-edge oxygen-containing functional groups of the embedded graphene nanoflakes and water molecules further improves the anti-icing properties. This work proposes a facile preparation method to prepare coatings with excellent anti/de-icing properties, offering significant potential for large-scale engineering applications.
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Affiliation(s)
- Rui Zhang
- State Key Laboratory of Tribology in Advanced Equipment, Tsinghua University, Beijing, 100084, P. R. China
| | - Zhengmao Ding
- State Key Laboratory of Tribology in Advanced Equipment, Tsinghua University, Beijing, 100084, P. R. China
| | - Kaiqiang Wang
- State Key Laboratory of Tribology in Advanced Equipment, Tsinghua University, Beijing, 100084, P. R. China
| | - Hanli Zhang
- State Key Laboratory of Tribology in Advanced Equipment, Tsinghua University, Beijing, 100084, P. R. China
| | - Jinjin Li
- State Key Laboratory of Tribology in Advanced Equipment, Tsinghua University, Beijing, 100084, P. R. China
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Chen J, Chen X, Hao Z, Wu Z, Selim MS, Yu J, Huang Y. Robust and Superhydrophobic Polydimethylsiloxane/Ni@Ti 3C 2T x Nanocomposite Coatings with Assembled Eyelash-Like Microstructure Array: A New Approach for Effective Passive Anti-Icing and Active Photothermal Deicing. ACS APPLIED MATERIALS & INTERFACES 2024; 16:26713-26732. [PMID: 38723291 DOI: 10.1021/acsami.4c01561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2024]
Abstract
To solve the problem of ice condensation and adhesion, it is urgent to develop new anti-icing and deicing technologies. This study presented the development of a highly efficient photothermal-enhanced superhydrophobic PDMS/Ni@Ti3C2Tx composite film (m-NMPA) fabricated cost-effectively and straightforwardly. This film was fabricated utilizing PDMS as a hydrophobic agent, adhesive, and surface protector, while Ni@Ti3C2Tx as a magnetic photothermal filler innovatively. Through a simple spraying method, the filler is guided by a strong magnetic field to self-assemble into an eyelash-like microstructure array. The unique structure not only imparts superhydrophobic properties to the surface but also constructs an efficient "light-capturing" architecture. Remarkably, the m-NMPA film demonstrates outstanding superhydrophobic passive anti-icing and efficient photothermal active deicing performance without the use of fluorinated chemicals. The micro-/nanostructure of the film forms a gas layer, significantly delaying the freezing time of water. Particularly under extreme cold conditions (-30 °C), the freezing time is extended by a factor of 7.3 compared to the bare substrate. Furthermore, under sunlight exposure, surface droplets do not freeze. The excellent photothermal performance is attributed to the firm anchoring of nickel particles on the MXene surface, facilitating effective "point-to-face" photothermal synergy. The eyelash-like microarray structure enhances light-capturing capability, resulting in a high light absorption rate of 98%. Furthermore, the microstructure aids in maintaining heat at the uppermost layer of the surface, maximizing the utilization of thermal energy for ice melting and frost thawing. Under solar irradiation, the m-NMPA film can rapidly melt approximately a 4 mm thick ice layer within 558 s and expel the melted water promptly, reducing the risk of secondary icing. Additionally, the ice adhesion force on the surface of the m-NMPA film is remarkably low, with an adhesion strength of approximately 4.7 kPa for a 1 × 1 cm2 ice column. After undergoing rigorous durability tests, including xenon lamp weathering test, pressure resistance test, repeated adhesive tape testing, xenon lamp irradiation, water drop impact testing, and repeated brushing with hydrochloric acid and particles, the film's surface structure and superhydrophobic performance have remained exceptional. The photothermal superhydrophobic passive anti-icing and active deicing technology in this work rely on sustainable solar energy for efficient heat generation. It presents broad prospects for practical applications with advantages such as simple processing method, environmental friendliness, outstanding anti-icing effects, and exceptional durability.
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Affiliation(s)
- Junlin Chen
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institutions, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Xiang Chen
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institutions, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Zhifeng Hao
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institutions, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Zhuorui Wu
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institutions, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Mohamed S Selim
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institutions, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, PR China
- Petroleum Application Department, Egyptian Petroleum Research Institute, 11727 Cairo, Egypt
| | - Jian Yu
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institutions, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Yingming Huang
- Guangzhou Panyu Cable Group Co., Ltd, Guangzhou 510006, P. R. China
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Wei J, Yang S, Xiao X, Wang J. Hydrophobic Solid Photothermal Slippery Surfaces with Rapid Self-repairing, Dual Anti-icing/Deicing, and Excellent Stability Based on Paraffin and Etching. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:7747-7759. [PMID: 38526417 DOI: 10.1021/acs.langmuir.4c00440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
Ice and snow disasters have greatly affected both the global economy and human life, and the search for efficient and stable anti-icing/deicing coatings has become the main goal of much research. Currently, the development and application of anti-icing/deicing coatings are severely limited due to their complex preparation, structural fragility, and low stability. This work presents a method for preparing hydrophobic solid photothermal slippery surfaces (SPSS) that exhibit rapid self-repairing, dual anti-icing/deicing properties, and remarkable stability. A photothermal layer of copper oxide (CuO) was prepared by using chemical deposition and etching techniques. The layer was then impregnated with stearic acid and solid paraffin wax to create a hydrophobic solid photothermal slippery surface. This solves the issue of low stability on superhydrophobic surfaces caused by fragile and irretrievable micro/nanostructures. In addition, the underlying photothermal superhydrophobic surface provides good anti-icing/deicing properties even if the paraffin on the surface evaporates or is lost during operation. The findings indicate that when subjected to simulated light irradiation, the coating's surface temperature increases to 80 °C within 12 min. The self-repair process is completed rapidly in 170 s, and at -15 °C, it takes only 201 s for the ice on the surface to melt completely. The surface underneath the paraffin exhibited good superhydrophobic properties, with a contact angle (CA) of 154.1° and a sliding angle (SA) of 6.8° after the loss of paraffin. Simultaneously, the surface's mechanical stability and durability, along with its self-cleaning and antifouling properties, enhance its service life. These characteristics provide promising opportunities for practical applications that require long-term anti-icing/deicing surfaces.
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Affiliation(s)
- Jue Wei
- Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Siqi Yang
- Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Xin Xiao
- Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Jian Wang
- Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, People's Republic of China
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Ma J, Gu X, He J. Rational design and easy fabrication of transparent photothermal/hygroscopic composite coatings with long-lasting antifogging performance under sunlight activation. NANOSCALE 2024; 16:6041-6052. [PMID: 38411539 DOI: 10.1039/d3nr05855g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Hygroscopic polymers are good candidates for antifogging coatings, but their long-term effectiveness is limited by the equilibrium between water absorption and expansion. As an efficient and environmentally friendly solution, photothermal materials are being introduced into the field of antifogging. However, there is a need for enhancement in the spectral characteristics of most photothermal materials within the visible light region. In addition, photothermal antifogging coatings often exhibit a delay in heating response, which hinders their ability to promptly evaporate condensed water droplets in the absence of illumination or during initial illumination. Here, a bilayer structure design of photothermal nanomaterials/hygroscopic polymers is proposed to achieve long-term antifogging under sunlight activation. Ensuring the rapid absorption of condensed water droplets on the coating surface, while simultaneously achieving efficient photothermal conversion for a swift temperature increase over the entire coating, is key to this approach, which will not only suppress early fogging but also lead to an exponential decrease of the nucleation rate of droplets. During this process, a dynamic equilibrium is gradually established between the condensation and evaporation of fog droplets, leading to long-term antifogging properties. The light transmittance of the composite coatings reaches as high as ca. 75% in the visible light region, making them well suited for a diverse range of transparent substrate and device applications. A clear field of view can be maintained for at least 6 h under 1 sun illumination above 65 °C hot steam. The antifogging/defogging performance is effectively demonstrated even under challenging non-ideal natural conditions, such as low solar irradiation during dusk or when placed indoors behind windows.
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Affiliation(s)
- Jinyue Ma
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, and Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
| | - Xiuxian Gu
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, and Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Junhui He
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, and Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
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9
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Wang X, Zhang L, Zhao Y, Ren H, Liu Y, Ju J, Yao X. Photo-thermal waxgels with fast wax layer regeneration ability for anti-icing. Chem Commun (Camb) 2024; 60:2505-2508. [PMID: 38333913 DOI: 10.1039/d3cc06253h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Waxgels are known for their unique ability to generate sacrificial wax layers during anti-icing. To address the severe slow regrowth of the wax layer, here, carbon black is incorporated in the waxgel network to endow photothermal function. The rate of the regrowth of the wax layer is raised by >6 times under natural light conditions. Meanwhile, the photothermal waxgel showed improved anti-icing performances in terms of delayed ice formation and lower ice adhesion strength.
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Affiliation(s)
- Xiang Wang
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials, Henan University, Kaifeng 475004, Henan Province, PR China.
| | - Lingling Zhang
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials, Henan University, Kaifeng 475004, Henan Province, PR China.
| | - Yuehua Zhao
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials, Henan University, Kaifeng 475004, Henan Province, PR China.
| | - Huili Ren
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials, Henan University, Kaifeng 475004, Henan Province, PR China.
| | - Yiming Liu
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials, Henan University, Kaifeng 475004, Henan Province, PR China.
| | - Jie Ju
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials, Henan University, Kaifeng 475004, Henan Province, PR China.
| | - Xi Yao
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials, Henan University, Kaifeng 475004, Henan Province, PR China.
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10
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Rasitha TP, Krishna NG, Anandkumar B, Vanithakumari SC, Philip J. A comprehensive review on anticorrosive/antifouling superhydrophobic coatings: Fabrication, assessment, applications, challenges and future perspectives. Adv Colloid Interface Sci 2024; 324:103090. [PMID: 38290251 DOI: 10.1016/j.cis.2024.103090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/16/2024] [Accepted: 01/16/2024] [Indexed: 02/01/2024]
Abstract
Superhydrophobicity (SHP) is an incredible phenomenon of extreme water repellency of surfaces ubiquitous in nature (E.g. lotus leaves, butterfly wings, taro leaves, mosquito eyes, water-strider legs, etc). Historically, surface exhibiting water contact angle (WCA) > 150° and contact angle hysteresis <10° is considered as SHP. The SHP surfaces garnered considerable attention in recent years due to their applications in anti-corrosion, anti-fouling, self-cleaning, oil-water separation, viscous drag reduction, anti-icing, etc. As corrosion and marine biofouling are global problems, there has been focused efforts in combating these issues using innovative environmentally friendly coatings designs taking cues from natural SHP surfaces. Over the last two decades, though significant progress has been made on the fabrication of various SHP surfaces, the practical adaptation of these surfaces for various applications is hampered, mainly because of the high cost, non-scalability, lack of simplicity, non-adaptability for a wide range of substrates, poor mechanical robustness and chemical inertness. Despite the extensive research, the exact mechanism of corrosion/anti-fouling of such coatings also remains elusive. The current focus of research in recent years has been on the development of facile, eco-friendly, cost-effective, mechanically robust chemically inert, and scalable methods to prepare durable SHP coating on a variety of surfaces. Although there are some general reviews on SHP surfaces, there is no comprehensive review focusing on SHP on metallic and alloy surfaces with corrosion-resistant and antifouling properties. This review is aimed at filling this gap. This review provides a pedagogical description with the necessary background, key concepts, genesis, classical models of superhydrophobicity, rational design of SHP, coatings characterization, testing approaches, mechanisms, and novel fabrication approaches currently being explored for anticorrosion and antifouling, both from a fundamental and practical perspective. The review also provides a summary of important experimental studies with key findings, and detailed descriptions of the evaluation of surface morphologies, chemical properties, mechanical, chemical, corrosion, and antifouling properties. The recent developments in the fabrication of SHP -Cr-Mo steel, Ti, and Al are presented, along with the latest understanding of the mechanism of anticorrosion and antifouling properties of the coating also discussed. In addition, different promising applications of SHP surfaces in diverse disciplines are discussed. The last part of the review highlights the challenges and future directions. The review is an ideal material for researchers practicing in the field of coatings and also serves as an excellent reference for freshers who intend to begin research on this topic.
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Affiliation(s)
- T P Rasitha
- Corrosion Science and Technology Division, Materials Characterization Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India
| | - Nanda Gopala Krishna
- Corrosion Science and Technology Division, Materials Characterization Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India
| | - B Anandkumar
- Corrosion Science and Technology Division, Materials Characterization Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India; Homi Bhabha National Institute, Kalpakkam 603102, India
| | - S C Vanithakumari
- Corrosion Science and Technology Division, Materials Characterization Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India; Homi Bhabha National Institute, Kalpakkam 603102, India
| | - John Philip
- Corrosion Science and Technology Division, Materials Characterization Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India; Homi Bhabha National Institute, Kalpakkam 603102, India.
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11
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Jiang J, Shen Y, Xu Y, Wang Z, Tao J, Liu S, Liu W, Chen H. An energy-free strategy to elevate anti-icing performance of superhydrophobic materials through interfacial airflow manipulation. Nat Commun 2024; 15:777. [PMID: 38278811 PMCID: PMC10817900 DOI: 10.1038/s41467-024-45078-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 01/15/2024] [Indexed: 01/28/2024] Open
Abstract
Superhydrophobic surfaces demonstrate excellent anti-icing performance under static conditions. However, they show a marked decrease in icing time under real flight conditions. Here we develop an anti-icing strategy using ubiquitous wind field to improve the anti-icing efficiency of superhydrophobic surfaces during flight. We find that the icing mass on hierarchical superhydrophobic surface with a microstructure angle of 30° is at least 40% lower than that on the conventional superhydrophobic plate, which is attributed to the combined effects of microdroplet flow upwelling induced by interfacial airflow and microdroplet ejection driven by superhydrophobic characteristic. Meanwhile, the disordered arrangement of water molecules induced by the specific 30° angle also raises the energy barriers required for nucleation, resulting in an inhibition of the nucleation process. This strategy of microdroplet movement manipulation induced by interfacial airflow is expected to break through the anti-icing limitation of conventional superhydrophobic materials in service conditions and can further reduce the risk of icing on the aircraft surface.
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Affiliation(s)
- Jiawei Jiang
- State Key Laboratory of Mechanics and Control for Aerospace Structures, Nanjing University of Aeronautics and Astronautics, No. 29 Yudao Street, Nanjing, 210016, China
| | - Yizhou Shen
- State Key Laboratory of Mechanics and Control for Aerospace Structures, Nanjing University of Aeronautics and Astronautics, No. 29 Yudao Street, Nanjing, 210016, China.
| | - Yangjiangshan Xu
- State Key Laboratory of Mechanics and Control for Aerospace Structures, Nanjing University of Aeronautics and Astronautics, No. 29 Yudao Street, Nanjing, 210016, China
| | - Zhen Wang
- State Key Laboratory of Mechanics and Control for Aerospace Structures, Nanjing University of Aeronautics and Astronautics, No. 29 Yudao Street, Nanjing, 210016, China
| | - Jie Tao
- State Key Laboratory of Mechanics and Control for Aerospace Structures, Nanjing University of Aeronautics and Astronautics, No. 29 Yudao Street, Nanjing, 210016, China.
| | - Senyun Liu
- key Laboratory of Icing and Anti/De-icing, China Aerodynamics Research and Development Center, 6 Erhuan South Rd., Mianyang, 621000, PR China
| | - Weilan Liu
- State Key Laboratory of Mechanics and Control for Aerospace Structures, Nanjing University of Aeronautics and Astronautics, No. 29 Yudao Street, Nanjing, 210016, China
- Institute of Advanced Materials, Nanjing Tech University, 30 Puzhu South Rd., Nanjing, 210009, PR China
| | - Haifeng Chen
- Department of Materials Chemistry, Qiuzhen School, Huzhou University, 759# East 2nd Road, Huzhou, 313000, PR China
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12
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Mirzaalipour A, Aghamohammadi E, Vakili H, Khodabakhsh M, Unal U, Makki H. Molecular Insight into the Effect of Polymer Topology on Wettability of Block Copolymers: The Case of Amphiphilic Polyurethanes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:62-71. [PMID: 38100712 PMCID: PMC10786039 DOI: 10.1021/acs.langmuir.3c01646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 11/09/2023] [Accepted: 11/29/2023] [Indexed: 12/17/2023]
Abstract
The microstructure design of multiblock copolymers is essential for achieving desired interfacial properties in submerged applications. Two major design factors are the chemical composition and polymer topology. Despite a clear relationship between chemical composition and wetting, the effect of polymer topology (i.e., linear vs cross-linked polymers) is not very clear. Thus, in this study, we shed light on the molecular origins of polymer topology on the wetting behavior. To this end, we synthesized linear and three-dimensional (3D) cross-linked network topologies of poly(ethylene glycol) (PEG)-modified polycarbonate polyurethanes with the same amount of hydrophilic PEG groups on the surface (confirmed by X-ray photoelectron spectroscopy (XPS)) and studied the wetting mechanisms through water contact angle (WCA), atomic force microscopy (AFM), and molecular dynamics (MD) simulations. The linear topology exhibited superhydrophilic behavior, while the WCA of the cross-linked polymer was around 50°. AFM analysis (performed on dry and wet samples) suggests that PEG migration toward the interface is the dominant factor. MD simulations confirm the AFM results and unravel the mechanisms: the higher flexibility of PEG in linear topology results in a greater PEG migration to the interface and formation of a thicker interfacial layer (i.e., twice as thick as the cross-linked polymers). Accordingly, water diffusion into the interfacial layer was greater in the case of the linear polymer, leading to better screening of the underneath hydrophobic (polycarbonate) segments.
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Affiliation(s)
- Alireza Mirzaalipour
- Department
of Polymer and Color Engineering, Amirkabir
University of Technology, 424 Hafez Ave., 159163-4311 Tehran, Iran
| | - Elnaz Aghamohammadi
- Department
of Polymer and Color Engineering, Amirkabir
University of Technology, 424 Hafez Ave., 159163-4311 Tehran, Iran
| | - Helma Vakili
- Polymer
Engineering group, School of Chemical Engineering, College of Engineering, University of Tehran, 1417935840 Tehran, Iran
| | | | - Ugur Unal
- Chemistry
Department, Koc University, Rumelifeneri Yolu, Sariyer 34450 Istanbul, Turkey
- Koc
University Surface Science and Technology Center (KUYTAM), Koc University, Rumelifeneri Yolu, Sariyer 34450 Istanbul, Turkey
| | - Hesam Makki
- Department
of Chemistry and Materials Innovation Factory, University of Liverpool, Liverpool L69 7ZD, U.K.
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13
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Jialiangkang, Xiang F, He X, Li Z. Preparation of robust silicone superhydrophobic and antibacterial textiles using the Pickering emulsion method. Carbohydr Polym 2024; 323:121419. [PMID: 37940251 DOI: 10.1016/j.carbpol.2023.121419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/30/2023] [Accepted: 09/18/2023] [Indexed: 11/10/2023]
Abstract
This study aimed to prepare textiles with superhydrophobic and antibacterial properties using the Pickering emulsion impregnation method. Cellulose nanocrystals were synergistically employed with dimethyloctadecyl[3-(trimethoxysilyl)-propyl] ammonium chloride as the solid surfactant, and hydrogenated (PHMS) and hydroxyl (MSDS) polysiloxane were used as the oil phase for emulsification. The emulsions were mixed and diluted in specific proportions, and the superhydrophobic and antibacterial textiles were prepared through fabric impregnation-drying strategies. The study optimised factors such as emulsion ratio and surfactant dosage. Results demonstrated that the nanoscale rough structure prepared using Pickering emulsion exhibited remarkable superhydrophobicity with contact and rolling angles of 163.1° ± 0.5° and 7.2° ± 0.2°, respectively. This effect was achieved when the ratio of PHMS emulsion to MSDS emulsion was maintained at 1:2 and the surfactant dosage was set at 2 %. The superhydrophobicity of textiles was maintained even after three washing cycles and 50 abrasion cycles, demonstrating excellent mechanical durability. The developed textiles also exhibited excellent oil/water separation ability, reliable recyclability and stability. Moreover, they demonstrated excellent self-cleaning and antibacterial capabilities. Thus, these valuable functionalities hold the potential to considerably improve the practical feasibility of superhydrophobic textiles in various application scenarios.
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Affiliation(s)
- Jialiangkang
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215021, China
| | - Fan Xiang
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215021, China
| | - Xiaoxiang He
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215021, China
| | - Zhanxiong Li
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215021, China; National Engineering Laboratory for Modern Silk, Suzhou 215123, China.
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14
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Hou M, Jiang Z, Sun W, Chen Z, Chu F, Lai NC. Efficient Photothermal Anti-/Deicing Enabled by 3D Cu 2-x S Encapsulated Phase Change Materials Mixed Superhydrophobic Coatings. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310312. [PMID: 37991469 DOI: 10.1002/adma.202310312] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/16/2023] [Indexed: 11/23/2023]
Abstract
Photothermal superhydrophobic surfaces are one of the most promising anti-/deicing materials, yet they are limited by the low energy density and intermittent nature of solar energy. Here, a coupling solution based on microencapsulated phase change materials (MPCMs) that integrates photothermal effect and phase change thermal storage is proposed. Dual-shell octahedral MPCMs with Cu2 O as the first layer and 3D Cu2-x S as the second layer for the first time is designed. By morphology and phase manipulation of the Cu2-x S shell, the local surface plasmonic heating modulation of MPCMs is realized, and the MPCM reveals full-spectrum high absorption with a photothermal conversion efficiency up to 96.1%. The phase change temperature and enthalpy remain in good consistency after 200 cycles. Multifunctional photothermal phase-change superhydrophobic composite coatings are fabricated by combining the hydrolyzed and polycondensation products of octadecyl trichlorosilane and the dual-shell MPCM. The multifunctional coatings exhibit excellent anti-/deicing performance under low temperature and high humidity conditions. This work not only provides a new approach for the design of high-performance MPCMs but also opens up an avenue for the anti-icing application of photothermal phase-change superhydrophobic composite coatings.
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Affiliation(s)
- Mingtai Hou
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Zeyi Jiang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- Beijing Key Laboratory for Energy Saving and Emission Reduction of Metallurgical Industry, University of Science and Technology Beijing, Beijing, 100083, China
| | - Wen Sun
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Zhenghao Chen
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Fuqiang Chu
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Nien-Chu Lai
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- Beijing Engineering Research Center of Energy Saving and Environmental Protection, University of Science and Technology Beijing, Beijing, 100083, China
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15
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Nistal A, Sierra-Martín B, Fernández-Barbero A. On the Durability of Icephobic Coatings: A Review. MATERIALS (BASEL, SWITZERLAND) 2023; 17:235. [PMID: 38204088 PMCID: PMC10780097 DOI: 10.3390/ma17010235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024]
Abstract
Ice formation and accumulation on surfaces has a negative impact in many different sectors and can even represent a potential danger. In this review, the latest advances and trends in icephobic coatings focusing on the importance of their durability are discussed, in an attempt to pave the roadmap from the lab to engineering applications. An icephobic material is expected to lower the ice adhesion strength, delay freezing time or temperature, promote the bouncing of a supercooled drop at subzero temperatures and/or reduce the ice accretion rate. To better understand what is more important for specific icing conditions, the different types of ice that can be formed in nature are summarized. Similarly, the alternative methods to evaluate the durability are reviewed, as this is key to properly selecting the method and parameters to ensure the coating is durable enough for a given application. Finally, the different types of icephobic surfaces available to date are considered, highlighting the strategies to enhance their durability, as this is the factor limiting the commercial applicability of icephobic coatings.
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Affiliation(s)
- Andrés Nistal
- Applied Physics, Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain; (B.S.-M.); (A.F.-B.)
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16
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Chen X, Wang YF, Yang YR, Wang XD, Lee DJ. Contact Time of Droplet Impact on Superhydrophobic Cylindrical Surfaces with a Ridge. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:18644-18653. [PMID: 38051278 DOI: 10.1021/acs.langmuir.3c03149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
This study investigates whether adding ridges to a superhydrophobic cylindrical surface can reduce contact times compared to those of ridged flat or cylindrical surfaces, inspired by the shortened contact time achieved by adding ridges to flat surfaces. The study focuses on studying azimuthal ridges on the cylinder through experimentation, emphasizing the impact dynamics and contact time characteristics under varying We (Weber number) and D* (dimensionless droplet diameter). Within the ultralow Weber number range (ULWR), low Weber number range (LWR), and medium Weber number range (MWR), the contact time is longer than on ridged flat surfaces. In the high Weber number range (HWR), the opposite is observed: increased inertial forces lead to the rupture of the liquid film above the ridges due to Rayleigh-Plateau instability. As a result, the primary droplet splits into two sections with curvature effects promoting its recoiling and rebounding. This study introduces a criterion, defined as C = We/D*, and finds that when C exceeds 2.42, not only is the contact time shorter than on ridged flat or cylindrical surfaces, but it also further decreases with an increase in We or a decrease in D*. The contact time characteristics observed in the HWR offer potential applications in areas such as anti-icing.
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Affiliation(s)
- Xu Chen
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
| | - Yi-Feng Wang
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
| | - Yan-Ru Yang
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
| | - Xiao-Dong Wang
- State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
- Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
| | - Duu-Jong Lee
- Department of Mechanical Engineering, City University of Hong Kong, Tat Chee Avenue, 999077 Kowloon, Hong Kong
- Department of Chemical Engineering & Materials Science, Yuan-Ze University, Chungli 320, Taiwan
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17
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Binrui W, Qiong Q, Xuan J, Dong X, Li K, Liping S, Xin C, Qizhi Z, Feiyan F, Xian Y. A highly robust, concrete-inspired superhydrophobic nanocomposite coating. NANOSCALE 2023; 15:19304-19313. [PMID: 37997388 DOI: 10.1039/d3nr04296k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2023]
Abstract
Durability is still the main issue hindering the practical applications of superhydrophobic surfaces. In the case of superhydrophobic coatings, employing nanoparticles for constructing and retaining superhydrophobic surfaces without lowering the robustness is still a conundrum. Herein, inspired by concrete, which has a high filler portion and high robustness, we fabricated a superhydrophobic coating using a synthesized hydrophobic organic/inorganic hybrid resin and categorized micro/nano fillers with varying sizes. The hybrid resin improved the hydrophobicity and robustness of the coating. Also, by optimizing the content of categorized wearable (silica sand with varying sizes)/functional (aluminum nanoparticles)/low-surface-energy (PTFE) phases, the prepared superhydrophobic surfaces could achieve long abrasion distance coupled with a high retention rate. Also, the prepared sample retained its superhydrophobicity after abrasion by sandpaper (180 grit) for 10 m under a pressure as high as 22.5 kPa or 600 grit sandpaper for 12.8 m under the same pressure or when impacted by 1400 g sand particles from 30 cm. Also, the coating had a strong adhesion of 5B with the substrate. Thus, the designed attractive materials have the potential for self-cleaning, anti-icing, and anti-fouling applications in industries.
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Affiliation(s)
- Wu Binrui
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, P. R. China.
- Key Laboratory of Icing and Anti/De-icing, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, P.R. China.
| | - Qin Qiong
- National Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China.
| | - Jiao Xuan
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, P. R. China.
| | - Xu Dong
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, P. R. China.
| | - Ke Li
- Key Laboratory of Icing and Anti/De-icing, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, P.R. China.
| | - Sheng Liping
- National Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China.
| | - Cui Xin
- Advanced Interdisciplinary Technology Research Center, National Innovation Institute of Defense Technology, Beijing 100071, P. R. China
| | - Zhao Qizhi
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, P. R. China.
| | - Fu Feiyan
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, P. R. China.
| | - Yi Xian
- State Key Laboratory of Aerodynamics, Mianyang Sichuan 621000, P.R. China
- Key Laboratory of Icing and Anti/De-icing, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, P.R. China.
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18
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Zhang L, Luo B, Fu K, Gao C, Han X, Zhou M, Zhang T, Zhong L, Hou Y, Zheng Y. Highly Efficient Photothermal Icephobic/de-Icing MOF-Based Micro and Nanostructured Surface. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2304187. [PMID: 37632716 DOI: 10.1002/advs.202304187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 08/08/2023] [Indexed: 08/28/2023]
Abstract
Photothermal materials have gained considerable attention in the field of anti-/de-icing due to its environmental friendliness and energy saving. However, it is always significantly challenging to obtain solar thermal materials with hierarchical structure and simultaneously demonstrate both the ultra-long icing delay ability and the superior photothermal de-icing ability. Here, a photothermal icephobic MOF-based micro and nanostructure surface (MOF-MNS) is presented, which consists of micron groove structure and fluorinated MOF nanowhiskers. The optimal MOF-M250 NS can achieve solar absorption of over 98% and produce a high temperature increment of 65.5 °C under 1-sun illumination. Such superior photothermal-conversion mechanism of MOF-M250 NS is elucidated in depth. In addition, the MOF-M250 NS generates an ultra-long icing delay time of ≈3960 s at -18 °C without solar illumination, achieving the longest delay time, which isn't reported before. Due to its excellent solar-to-heat conversation ability, accumulated ice and frost on MOF-M250 NS can be rapidly melted within 720 s under 1-sun illumination and it also holds a high de-icing rate of 5.8 kg m-2 h-1 . MOF-M250 NS possesses the versatility of mechanical robustness, chemical stability, and low temperature self-cleaning, which can synergistically reinforce the usage of icephobic surfaces in harsh conditions.
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Affiliation(s)
- Lei Zhang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University (BUAA), Beijing, 100191, P. R. China
| | - Bingcai Luo
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University (BUAA), Beijing, 100191, P. R. China
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Kun Fu
- Key Laboratory of Yangtze River Water Environment, Ministry of Education, Shanghai Institute of Pollution Control and Ecological Security, College of Environmental Science and Engineering, Tongji University, Shanghai, 20092, P. R. China
| | - Chunlei Gao
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University (BUAA), Beijing, 100191, P. R. China
| | - Xuefeng Han
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University (BUAA), Beijing, 100191, P. R. China
| | - Maolin Zhou
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University (BUAA), Beijing, 100191, P. R. China
| | - Tiance Zhang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University (BUAA), Beijing, 100191, P. R. China
| | - Lieshuang Zhong
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University (BUAA), Beijing, 100191, P. R. China
| | - Yongping Hou
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University (BUAA), Beijing, 100191, P. R. China
| | - Yongmei Zheng
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University (BUAA), Beijing, 100191, P. R. China
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19
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Yuan Z, Wu Y, Zeng J, Li X, Zang K, Zhou H. Modified nano-SiO 2/PU hydrophobic composite film prepared through in-situ coupling by KH550 for oil-water separation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:52958-52968. [PMID: 36849681 DOI: 10.1007/s11356-023-25900-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
In this study, hydrophobic polymer composite films based on polyurethane (PU) were prepared for oil-water separation. Hydrophilic fumed silica (nano-SiO2) was introduced as reinforcing filler, and silane coupling agent (KH550) was used to crosslink PU with nano-SiO2 in situ for enhancing the nano-SiO2 dispersion in the films. The microscopic morphology, crystalline structure, and hydrophobic properties of the films were characterized by using scanning electron microscopy, X-ray diffraction, FTIR spectroscopy, water contact angle, and water absorption tests. The results showed that the hydrophobicity of the nano-SiO2/PU composite films increased with the addition of nano-SiO2. KH550 not only significantly promoted the crosslink action between PU and nano-SiO2 but also enhanced the dispersion of nano-SiO2 in the composite films. Moreover, the pore structure of the prepared films was changed with the addition of nano-SiO2 and KH550, which greatly improved the hydrophobicity. The test results for oil-water separation performance showed that the prepared composite films can efficiently separate the oil from oil-water mixtures with good repeatability.
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Affiliation(s)
- Zhengqiu Yuan
- Hunan Province College Key Laboratory of Molecular Design and Green Chemistry, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China.
| | - Yangfeng Wu
- Hunan Province College Key Laboratory of Molecular Design and Green Chemistry, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Jianxian Zeng
- Hunan Province College Key Laboratory of Molecular Design and Green Chemistry, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Xiaoyan Li
- Hunan Province College Key Laboratory of Molecular Design and Green Chemistry, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Kairong Zang
- Hunan Province College Key Laboratory of Molecular Design and Green Chemistry, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Hu Zhou
- Hunan Province College Key Laboratory of Molecular Design and Green Chemistry, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
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20
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Wei X, Niu X. Recent Advances in Superhydrophobic Surfaces and Applications on Wood. Polymers (Basel) 2023; 15:polym15071682. [PMID: 37050296 PMCID: PMC10097333 DOI: 10.3390/polym15071682] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/25/2023] [Accepted: 03/26/2023] [Indexed: 03/30/2023] Open
Abstract
Superhydrophobic substances were favored in wood protection. Superhydrophobic treatment of wood is of great significance for improving the service life of wood and expanding its application fields, such as improving dimensional stability, durability, UV stability, and reducing wetting. The superhydrophobic phenomenon is attributed to the interaction of micro/nano hierarchical structure and low surface energy substances of the wood surface. This is the common method for obtaining superhydrophobic wood. The article introduces the common preparation methods of superhydrophobic wood material coatings and their mechanisms. These techniques include lithography, sol–gel methods, graft copolymerization, chemical vapor deposition, etc. The latest research progress of superhydrophobic wood material coatings application at domestic and overseas is reviewed, and the current status of superhydrophobic coating application in wood materials and construction is summarized. Finally, superhydrophobic on wood in the field of applied research is presented, and the development trend in the field of functional improvement of wood is foreseen.
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21
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Tan S, Han X, Cheng S, Guo P, Wang X, Che P, Jin R, Jiang L, Heng L. Photothermal Solid Slippery Surfaces with Rapid Self-Healing, Improved Anti/De-Icing and Excellent Stability. Macromol Rapid Commun 2023; 44:e2200816. [PMID: 36691371 DOI: 10.1002/marc.202200816] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/22/2022] [Indexed: 01/25/2023]
Abstract
Icing phenomenon that occurs universally in nature and industry gets a great impact on human life. Over the past decades, extensive efforts have been made for a wide range of anti-icing/deicing surfaces, but the preparation of anti-icing/deicing interfaces that combine stability, rapid self-healing and excellent anti-icing/deicing performance remains a challenge. In this study, a photothermal solid slippery surface with excellent comprehensive performance is prepared by integrating cellulose acetate film, carbon nanotubes with paraffin wax (CCP). Apart from the excellent anti-icing and deicing properties at -17 ± 1.0 °C under 1 sun illumination, the surface can further achieve deicing at temperatures as low as -22 ± 1.0 °C under infrared light. The fabricated surface also exhibits great stability when placed in harsh conditions such as underwater or ultra-low temperature environments for over 30 days. Even when suffering from physical damage, the prepared surface can rapidly self-repair under 1 sun illumination or near-infrared (NIR) illumination within 16.0 ± 1.5 s. Due to the rapid and repeatable self-healing performance, the lubricating properties of the interface material do not deteriorate even after 50 repeated abrasing-repairing cycles. The photothermal solid slippery surface possesses wide-ranging applications and commercial value at high latitude and altitude regions.
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Affiliation(s)
- Shengda Tan
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry, Beihang University, Beijing, 100191, China
| | - Xiao Han
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry, Beihang University, Beijing, 100191, China
| | - Shuman Cheng
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry, Beihang University, Beijing, 100191, China
| | - Pu Guo
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry, Beihang University, Beijing, 100191, China
| | - Xuan Wang
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry, Beihang University, Beijing, 100191, China
| | - Pengda Che
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry, Beihang University, Beijing, 100191, China
| | - Rongyu Jin
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry, Beihang University, Beijing, 100191, China
| | - Lei Jiang
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry, Beihang University, Beijing, 100191, China
| | - Liping Heng
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry, Beihang University, Beijing, 100191, China
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22
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Nguyen NB, Ly NH, Tran HN, Son SJ, Joo SW, Vasseghian Y, Osman SM, Luque R. Transparent Oil-Water Separating Spiky SiO 2 Nanoparticle Supramolecular Polymer Superhydrophobic Coatings. SMALL METHODS 2023; 7:e2201257. [PMID: 36683199 DOI: 10.1002/smtd.202201257] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/30/2022] [Indexed: 06/17/2023]
Abstract
A potential application of spiky SiO2 nanoparticles (NPs) with tubular and rough surfaces is investigated as superhydrophobic coatings, for their unique transparent, fluorinate-free, and environmentally friendly properties. This study demonstrates a facile method for the successful fabrication of superhydrophobic coatings and SiO2 @polydimethylsiloxane (PDMS) using spiky SiO2 NPs, N-coordinated boroxines, and PDMS. Combined with spray coating technology, this method of superhydrophobic coating can be simply applied to both hydrophilic and hydrophobic surfaces, including wood, fabric, glass, metal, sponge, and paper. The nanocomposite coating on the glass surface showed both excellent superhydrophobicity and high transparency, with a contact angle of 165.4 ± 1.0° and 96.93% transmittance at 550 nm, respectively. SiO2 @PDMS-modified glass substrate is found to be resilient to UV irradiation, water, and high temperature treatments at ambient conditions. Experimental data demonstrated that the simple but effective combination of N-boroxine-PDMS and spiky SiO2 NPs produces a layered coating material that exhibits many good integrated surface properties, including stability, transparency, superhydrophobicity, and oil-water separation.
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Affiliation(s)
| | - Nguyên Hoàng Ly
- Department of Chemistry, Gachon University, Seongnam, 13120, South Korea
| | - Huynh Nhu Tran
- Department of Chemistry, Soongsil University, Seoul, 06978, South Korea
| | - Sang Jun Son
- Department of Chemistry, Gachon University, Seongnam, 13120, South Korea
| | - Sang-Woo Joo
- Department of Chemistry, Soongsil University, Seoul, 06978, South Korea
| | - Yasser Vasseghian
- Department of Chemistry, Soongsil University, Seoul, 06978, South Korea
- University Centre for Research & Development, Department of Mechanical Engineering, Chandigarh University, Gharuan, Mohali, Punjab, 140413, India
- Department of Sustainable Engineering, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - Sameh M Osman
- Chemistry Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Rafael Luque
- Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie (C-3), Cordoba, 14014, Spain
- Peoples Friendship University of Russia (RUDN University), Moscow, 117198, Russian Federation
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23
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Sun Y, Liu R, Xu J, Sun Y, Gong J, Long L. A durable and environmental friendly superhydrophobic coatings with
self‐cleaning
,
anti‐fouling
performance for liquid‐food residue reduction. POLYM ENG SCI 2023. [DOI: 10.1002/pen.26282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Affiliation(s)
- Yingchun Sun
- Research Institute of Wood Industry Chinese Academy of Forestry Beijing China
| | - Ru Liu
- Research Institute of Wood Industry Chinese Academy of Forestry Beijing China
| | - Jianfeng Xu
- Research Institute of Wood Industry Chinese Academy of Forestry Beijing China
| | - Yuhui Sun
- Research Institute of Wood Industry Chinese Academy of Forestry Beijing China
| | - Jingya Gong
- Research Institute of Wood Industry Chinese Academy of Forestry Beijing China
| | - Ling Long
- Research Institute of Wood Industry Chinese Academy of Forestry Beijing China
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24
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Zhang LB, Zhang HX, Liu ZJ, Jiang XY, Agathopoulos S, Deng Z, Gao HY, Zhang L, Lu HP, Deng LJ, Yin LJ. Nano-silica anti-icing coatings for protecting wind-power turbine fan blades. J Colloid Interface Sci 2023; 630:1-10. [DOI: 10.1016/j.jcis.2022.09.154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/10/2022] [Accepted: 09/30/2022] [Indexed: 11/06/2022]
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25
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Song L, Yang C, Zhang S, Wang Y, Zou R, Cheng E, Lee A, Deng Q. Multifunctional Photothermal Phase-Change Superhydrophobic Film with Excellent Light-Thermal Conversion and Thermal-Energy Storage Capability for Anti-icing/De-icing Applications. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:15245-15252. [PMID: 36441907 DOI: 10.1021/acs.langmuir.2c02329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The accumulation of ice may cause serious safety problems in numerous fields. A photothermal superhydrophobic surface is considered to be useful for preventing ice formation because of its environmentally friendly, energy-saving, and excellent anti-icing/de-icing properties. However, it easily fails to work in the absence of sunlight. To improve its anti-icing property without sunlight irradiation, a multifunctional photothermal phase-change superhydrophobic film (MPPSF) consisting of phase-change microcapsules (PCMs) and carbon nanotubes (CNTs) was fabricated using a facile spraying method. Benefitting from the excellent light-thermal conversion effect of CNTs, the surface temperature could increase from -20 to 130.1 °C within 180 s under 808 nm near-infrared laser irradiation of 1 W/cm2, thus realizing high-efficiency de-icing. Meanwhile, a portion of the light-thermal energy was stored in the MPPSF because of the phase change of the PCMs. Without sunlight irradiation, the latent heat of the PCMs was released when the external temperature approached the phase-transition temperature. The synergistic effects of the phase-transition latent heat release and superhydrophobicity allowed the MPPSF to effectively hinder the formation of ice for 10.1 min at -20 °C. Therefore, this MPPSF with outstanding anti-icing and de-icing performances is expected to achieve ice prevention and removal in all-days.
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Affiliation(s)
- Longhai Song
- School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Chao Yang
- School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
- Key Laboratory of Hebei Province on Scale-Span Intelligent Equipment Technology, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Siyuan Zhang
- School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Yao Wang
- School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
- Key Laboratory of Hebei Province on Scale-Span Intelligent Equipment Technology, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Rui Zou
- School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
- State Key Laboratory of Reliability and Intelligence Electrical Equipment, Hebei University of Technology, Tianjin 300130, P.R. China
| | - E Cheng
- School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Alamusi Lee
- School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Qibo Deng
- School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
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26
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Jiao Y, Zhang T, Ji J, Guo Y, Wang Z, Tao T, Xu J, Liu X, Liu K. Functional Microtextured Superhydrophobic Surface with Excellent Anti-Wear Resistance and Friction Reduction Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:13166-13176. [PMID: 36252150 DOI: 10.1021/acs.langmuir.2c01959] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The wear-resistant superhydrophobic (SHB) surfaces with excellent water-repellency ability were prepared by constructing a microtextured armor on an aluminum surface. With the assistance of laser-induced microtextures, the SHB surface could keep a longer water-repellency ability and a lower friction coefficient even after repeated friction tests under different loads and at different speeds. The mechanism of microtexture-protecting SHB coating is revealed based on both theoretical and elemental analysis. Additionally, we explore the relationship between the three-dimensional topography parameters (ISO 25178) and variation of water contact angles under different test recycles. The results show that the rough surface with appropriate Sa and higher Sku exhibits a better wear resistance, which is mainly related to the storing ability of SHB coating inside the microtextures. Moreover, the surface with appropriate Str exhibits excellent wear resistance, which is mainly associated with better chip-removal ability. Finally, the tribological properties of the microtextured SHB surface are researched. It is worth noting that compared with the microtextured surface without SHB coating and the SHB-coated surface without microtextures, the microtextured SHB surface has the lowest friction coefficient under dry friction because the SHB coating would largely decrease the surface energy of the interface, so the adhesion friction decreases. The microtexture armor on the surfaces would protect the wear of SHB coating, so the SHB coating inside the microtexture could continuously play the role of a particle lubricant at the sliding interface and decrease the friction force of the sliding interface. We believe that the present study would contribute to the further understanding of the constructing mechanism of anti-wear SHB surfaces and provide a new strategy for topography design of engineering surfaces with friction reduction properties.
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Affiliation(s)
- Yunlong Jiao
- Institute of Tribology, Hefei University of Technology, Hefei 230009, China
| | - Tao Zhang
- Institute of Tribology, Hefei University of Technology, Hefei 230009, China
| | - Jiawei Ji
- Institute of Tribology, Hefei University of Technology, Hefei 230009, China
| | - Yuhang Guo
- Institute of Tribology, Hefei University of Technology, Hefei 230009, China
| | - Zhaochang Wang
- Institute of Tribology, Hefei University of Technology, Hefei 230009, China
| | - Tongtong Tao
- Institute of Tribology, Hefei University of Technology, Hefei 230009, China
| | - Jimin Xu
- Institute of Tribology, Hefei University of Technology, Hefei 230009, China
| | - Xiaojun Liu
- Institute of Tribology, Hefei University of Technology, Hefei 230009, China
| | - Kun Liu
- Institute of Tribology, Hefei University of Technology, Hefei 230009, China
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27
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Liu M, Tan X, Li X, Geng J, Han M, Chen X. Transparent superhydrophobic EVA/SiO2/PTFE/KH-570 coating with good mechanical robustness, chemical stability, self-cleaning effect and anti-icing property fabricated by facile dipping method. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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28
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Yang K, Liu Q, Lin Z, Liang Y, Liu C. Bouncing dynamics of impact droplets on bioinspired surfaces with mixed wettability and directional transport control. J Colloid Interface Sci 2022; 626:193-207. [DOI: 10.1016/j.jcis.2022.06.158] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/09/2022] [Accepted: 06/27/2022] [Indexed: 11/25/2022]
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29
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Yu Y, Chen L, Weng D, Hou Y, Pang Z, Zhan Z, Wang J. Effect of Doping SiO 2 Nanoparticles and Phenylmethyl Silicone Oil on the Large-Scale Deicing Property of PDMS Coatings. ACS APPLIED MATERIALS & INTERFACES 2022; 14:48250-48261. [PMID: 36240235 DOI: 10.1021/acsami.2c13650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Recently, low interfacial toughness (LIT) materials have been developed to solve large-scale deicing problems. According to the theory of interfacial fracture, ice detachment is dominated by strength-controlled or toughness-controlled regimes, which are characterized by adhesive strength or constant shear force. Here, a new strategy is introduced to regulate the interfacial toughness of poly(dimethylsiloxane) (PDMS) coatings using silicon dioxide nanoparticles (SiO2 NPs) and phenylmethyl silicone oil (PMSO). By systematically adjusting the doping proportion of SiO2 NPs and PMSO, it is found that a lower interfacial toughness can be achieved with a lower constant shear force. The synergistic effect of the two dopants on the adhesive strength and interfacial toughness is analyzed. Meanwhile, finite element method (FEM) analysis of ice detachment is conducted to show the cracking process intuitively and explicate the mechanism of lowering the interfacial toughness of PDMS by doping SiO2 NPs and PMSO. It can be concluded that the cohesive zone material (CZM) model is effective for simulating the deicing process of PDMS coatings and provides a comprehensive understanding of the modulation of interfacial toughness.
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Affiliation(s)
- Yadong Yu
- State Key Laboratory of Tribology, School of Mechanical Engineering, Tsinghua University, Beijing100084, China
| | - Lei Chen
- State Key Laboratory of Tribology, School of Mechanical Engineering, Tsinghua University, Beijing100084, China
| | - Ding Weng
- State Key Laboratory of Tribology, School of Mechanical Engineering, Tsinghua University, Beijing100084, China
| | - Yacong Hou
- State Key Laboratory of Tribology, School of Mechanical Engineering, Tsinghua University, Beijing100084, China
| | - Zuobo Pang
- State Key Laboratory of Tribology, School of Mechanical Engineering, Tsinghua University, Beijing100084, China
| | - Zhongwei Zhan
- Aviation Key Laboratory of Science and Technology on Advanced Corrosion and Protection for Aviation Materials, AECC Beijing Institute of Aeronautical Materials, Beijing100095, China
| | - Jiadao Wang
- State Key Laboratory of Tribology, School of Mechanical Engineering, Tsinghua University, Beijing100084, China
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30
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Ge-Zhang S, Cai T, Yang H, Ding Y, Song M. Biology and nature: Bionic superhydrophobic surface and principle. Front Bioeng Biotechnol 2022; 10:1033514. [PMID: 36324886 PMCID: PMC9618887 DOI: 10.3389/fbioe.2022.1033514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 09/27/2022] [Indexed: 11/18/2022] Open
Abstract
Nature is the source of human design inspiration. In order to adapt to the environment better, creatures in nature have formed various morphological structures during billions of years of evolution, among which the superhydrophobic characteristics of some animal and plant surface structures have attracted wide attention. At present, the preparation methods of bionic superhydrophobic surface based on the microstructure of animal and plant body surface include vapor deposition, etching modification, sol-gel method, template method, electrostatic spinning method and electrostatic spraying method, etc., which have been used in medical care, military industry, shipping, textile and other fields. Based on nature, this paper expounds the development history of superhydrophobic principle, summarizes the structure and wettability of superhydrophobic surfaces in nature, and introduces the characteristics differences and applications of different superhydrophobic surfaces in detail. Finally, the challenge of bionic superhydrophobic surface is discussed, and the future development direction of this field is prospected.
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Affiliation(s)
| | | | | | | | - Mingbo Song
- Northeast Forestry University, Harbin, China
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31
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Li W, Zhang Y, Yu Z, Zhu T, Kang J, Liu K, Li Z, Tan SC. In Situ Growth of a Stable Metal-Organic Framework (MOF) on Flexible Fabric via a Layer-by-Layer Strategy for Versatile Applications. ACS NANO 2022; 16:14779-14791. [PMID: 36103395 DOI: 10.1021/acsnano.2c05624] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Fabrics have been used broadly in daily life for an enormous variety of applications due to their intrinsic advantages, such as flexibility, renewability, and good processability. Integrating natural fabrics with metal-organic frameworks (MOFs) is an effective strategy to improve the added value of textiles with special functionalities. Here, a facile, low-cost, and scalable technology is reported for the in situ growth of MOFs on cotton fabrics. A uniform and dense coating of regular octahedral Cu-1,3,5-benzenetricarboxylic acid (CuBTC) crystals was formed on the fiber surface, followed by treatment with 1H,1H,2H,2H-perfluorooctyltriethoxysilane and triethoxyoctylsilane to create a superhydrophobic CuBTC@cotton fabric (SMCF), which greatly improved its water stability and extended superhydrophobic CuBTC's potential applications. The as-prepared MCF has a specific surface area of 229 m2/g, which is 11 times that of pristine fabrics (21 m2/g). This high porosity further endows the fabric with enhanced loading capacity of essential oils to enable excellent antibacterial ability. Moreover, the SMCF also exhibits excellent self-cleaning, UV shielding, and anti-icing performances. In addition, we performed COMSOL simulations to investigate the dynamic freezing process of water on the surface of samples, which agrees well with our experimental observations. By combining the merits of both fabrics and MOFs, the MCF is expected to extend the applications of traditional textiles in antifouling, safety, the fragrance industry, and healthcare for the next-generation multifunctional fabrics.
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Affiliation(s)
- Wulong Li
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215021, People's Republic of China
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Yaoxin Zhang
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Zhen Yu
- State Key Laboratory of Clean Energy, Department of Energy Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Tianxue Zhu
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, People's Republic of China
| | - Jialiang Kang
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215021, People's Republic of China
| | - Kexin Liu
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215021, People's Republic of China
| | - Zhanxiong Li
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215021, People's Republic of China
- National Engineering Laboratory for Modern Silk, Suzhou 215123, People's Republic of China
| | - Swee Ching Tan
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
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32
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Liu Z, Liu Y, Yang J, Li S, Peng C, Cui X, Sheng L, Wu B. Highly Efficient and Controlled Fabrication of Supraparticles by Leidenfrost Phenomenon. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:9157-9165. [PMID: 35857373 DOI: 10.1021/acs.langmuir.2c00709] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Supraparticles (SPs) are agglomerates of smaller particles, which show promising applications in catalysis, sensing, and so forth. Preparation of SPs with controlled sizes, components, and structures in an efficient, scalable, and environmentally friendly way has become an urgent demand for the development of SPs. Herein, a method to fabricate SPs based on the Leidenfrost phenomenon is described. By dropping a nano-/microparticle dispersion on a metal plate at the Leidenfrost temperature (TLF) or higher, the solvent evaporates quickly, and SPs can be formed within 1 min. To understand the influence of various factors on the properties of SPs, and also to optimize the fabrication of SPs, the effects of metal surface roughness and primary particle concentration on TLF were carefully observed. Plates with a higher roughness as well as a higher primary particle concentration could trigger a lower TLF. Combining the regulation of composition and volume of the droplets, SPs with different sizes, compositions, and structures were precisely fabricated. Furthermore, highly porous titanium dioxide (TiO2) SPs with enhanced photocatalytic performance were fabricated via this method, showing the merits of the method in practical applications. This simple, efficient, and green method provides a new approach for controlled and large-scale fabrication of SPs with various functions.
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Affiliation(s)
- Zhe Liu
- National Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China
| | - Yong Liu
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, P. R. China
| | - Jinge Yang
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, P. R. China
| | - Shengsong Li
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, P. R. China
| | - Chaoyi Peng
- Zhuzhou Times New Materials Technology Co., Ltd, Zhuzhou 412007, P. R. China
| | - Xin Cui
- Advanced Interdisciplinary Technology Research Center, National Innovation Institute of Defense Technology, Beijing 100071, P. R. China
| | - Liping Sheng
- National Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China
| | - Binrui Wu
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, P. R. China
- Department of Material Science and Engineering, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, P. R. China
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33
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Jiao ZZ, Zhou H, Han XC, Han DD, Zhang YL. Photothermal Responsive Slippery Surfaces Based on Laser-Structured Graphene@PVDF Composites. J Colloid Interface Sci 2022; 629:582-592. [DOI: 10.1016/j.jcis.2022.08.153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/31/2022] [Accepted: 08/24/2022] [Indexed: 11/25/2022]
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34
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Gharieh A, Pourghasem M. Eco‐friendly
UV
‐curable polyurethane‐silica superhydrophobic coating with superb mechanical durability. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ali Gharieh
- Department of Polymer Chemistry, Faculty of Chemistry University of Isfahan Isfahan Iran
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35
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Chen J, Luo Z, An R, Marklund P, Björling M, Shi Y. Novel Intrinsic Self-Healing Poly-Silicone-Urea with Super-Low Ice Adhesion Strength. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200532. [PMID: 35318812 DOI: 10.1002/smll.202200532] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/04/2022] [Indexed: 06/14/2023]
Abstract
Accumulation of snow and ice often causes problems and even dangerous situations for both industry and the general population. Passive de-icing technologies, e.g., hydrophobic, liquid-infused bionic surfaces, have attracted more and more attention compared with active de-icing technologies, e.g., electric heating, hot air heating, due to the passive de-icing technology's lower energy consumption and sustainability footprint. Using passive de-icing coatings seems to be one of the most promising solutions. However, the previously reported de-icing coatings suffer from high ice adhesion strength or short service life caused by wear. An intrinsic self-healing material based on poly-silicone-urea is developed in this work to address these problems. The material is prepared by introducing dynamic disulfide bonds into the hard phase of the polymer. Experimental results indicate that this poly-silicone-urea has a self-healing efficiency of close to 99%. More interestingly, it is found that the coating prepared from this poly-silicone-urea has a super low ice adhesion force, only 7 ± 1 kPa, which is almost the lowest value compared with previous intrinsic self-healing de-/anti-icing reports. This material can maintain low ice adhesion strength after healing. This intrinsic self-healing poly-silicone-urea can meet several practical applications, opening the door for future sustainable anti-/de-icing technologies.
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Affiliation(s)
- Jun Chen
- Division of Machine Elements, Lulea University of Technology, Lulea, 97187, Sweden
| | - Zhenyang Luo
- College of Science, Nanjing Forestry University, Nanjing, 210037, P. R. China
| | - Rong An
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210037, P. R. China
| | - Pär Marklund
- Division of Machine Elements, Lulea University of Technology, Lulea, 97187, Sweden
| | - Marcus Björling
- Division of Machine Elements, Lulea University of Technology, Lulea, 97187, Sweden
| | - Yijun Shi
- Division of Machine Elements, Lulea University of Technology, Lulea, 97187, Sweden
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36
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Mehanna Y, Crick CR. Study on the Influence of Polymer/Particle Properties on the Resilience of Superhydrophobic Coatings. ACS OMEGA 2022; 7:18052-18062. [PMID: 35664566 PMCID: PMC9161389 DOI: 10.1021/acsomega.2c01547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Enhancement in the resilience of superhydrophobic coatings is crucial for their future applicability. However, the progress in this aspect is currently limited due to the lack of a consistent resilience analysis methodology/protocol as well as the limited understanding of the influence of the materials components on the resultant coating performance. This study applies a quantitative analysis methodology involving image analysis and mass tracking and utilizes it to investigate how the properties of coating components can influence coating resilience. The factors examined were changing the molecular weight/tensile strength of poly(vinylchloride)/poly(dimethylsiloxane) (PVC/PDMS) polymers and changing the size of the roughening particles. In addition to the examination of resilience data to evaluate degradation patterns, three-dimensional (3D) mapping of the scratches was performed to obtain an insight into how material removal occurs during abrasion. The results can indicate preferential polymer selection (using higher-molecular-weight polymers for PVC) and optimal particle sizes (smaller particles) for maximizing coating resilience. The study, although focused on superhydrophobic materials, demonstrates wide applicability to a range of areas, particularly those focused on the development of high-strength coatings.
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Affiliation(s)
- Yasmin
A. Mehanna
- Materials
Innovation Factory, Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.
- School
of Engineering and Materials Science, Queen
Mary University of London, Mile End Road, London E1 4NS, U.K.
| | - Colin R. Crick
- School
of Engineering and Materials Science, Queen
Mary University of London, Mile End Road, London E1 4NS, U.K.
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Li R, Wang Z, Chen M, Li Z, Luo X, Lu W, Gu Z. Fabrication and Characterization of Superhydrophobic Al-Based Surface Used for Finned-Tube Heat Exchangers. MATERIALS 2022; 15:ma15093060. [PMID: 35591395 PMCID: PMC9102872 DOI: 10.3390/ma15093060] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/15/2022] [Accepted: 04/20/2022] [Indexed: 12/10/2022]
Abstract
Enhancing the heat transfer performance of heat exchangers is one of the main methods to reduce energy consumption and carbon emissions in heating, ventilation, air-conditioning and refrigeration (HVAC&R) systems. Wettability modified surfaces developed gradually may help. This study aims to improve the performance of heat exchangers from the perspective of component materials. The facile and cost-effective fabrication method of superhydrophobic Al-based finned-tube heat exchangers with acid etching and stearic acid self-assembly was proposed and optimized in this study, so that the modified Al fins could achieve stronger wettability and durability. The effect of process parameters on the wettability of the Al fins was by response surface methodology (RSM) and variance analysis. Then, the modified fins were characterized by field-emission scanning electron microscopy (FE-SEM), 3D topography profiler, X-ray photoelectron spectroscopy (XPS), and Fourier transform infrared spectroscopy (FTIR), respectively. The durability of the superhydrophobic fins was investigated by air exposure, corrosion resistance, and mechanical robustness experiments. The RSM and variance analysis demonstrated that a water contact angle (WCA) of 166.9° can be obtained with the etching time in 2 mol/L HCl solution of 10.5 min, the self-assembly time in the stearic acid ethanol solution of 48 h, and drying under 73.0 °C. The surface morphology showed suitable micro-nano structures with a mean roughness (Ra) of 467.58 nm and a maximum peak-to-valley vertical distance (Rt) of 4.095 μm. The chemical component demonstrated the self-assembly of an alkyl chain. The WCAs declined slightly in durability experiments, which showed the feasibility of the superhydrophobic heat exchangers under actual conditions.
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Affiliation(s)
- Ran Li
- School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (R.L.); (Z.W.); (M.C.); (Z.L.)
- Department of Architecture and Civil Engineering, City University of Hong Kong, Hong Kong 999077, China;
| | - Zanshe Wang
- School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (R.L.); (Z.W.); (M.C.); (Z.L.)
- Zhejiang Research Institute of Xi’an Jiaotong University, Hangzhou 311215, China
| | - Meijuan Chen
- School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (R.L.); (Z.W.); (M.C.); (Z.L.)
- Zhejiang Research Institute of Xi’an Jiaotong University, Hangzhou 311215, China
| | - Zhang Li
- School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (R.L.); (Z.W.); (M.C.); (Z.L.)
| | - Xiaowei Luo
- Department of Architecture and Civil Engineering, City University of Hong Kong, Hong Kong 999077, China;
| | - Weizhen Lu
- Department of Architecture and Civil Engineering, City University of Hong Kong, Hong Kong 999077, China;
- Correspondence: (W.L.); (Z.G.)
| | - Zhaolin Gu
- School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (R.L.); (Z.W.); (M.C.); (Z.L.)
- Correspondence: (W.L.); (Z.G.)
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38
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Liu X, Gao C, Fu C, Xi Y, Fatehi P, Zhao JR, Wang S, Gibril ME, Kong F. Preparation and Performance of Lignin-Based Multifunctional Superhydrophobic Coating. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27041440. [PMID: 35209240 PMCID: PMC8877995 DOI: 10.3390/molecules27041440] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/24/2021] [Accepted: 01/31/2022] [Indexed: 11/16/2022]
Abstract
Superhydrophobic coatings have drawn much attention in recent years for their widespread potential applications. However, there are challenges to find a simple and cost-effective approach to prepare superhydrophobic materials and coatings using natural polymer. Herein, we prepared a kraft lignin-based superhydrophobic powder via modifying kraft lignin through 1H, 1H, 2H, 2H-perfluorodecyl-triethoxysilane (PFDTES) substitution reaction, and constructed superhydrophobic coatings by direct spraying the suspended PFDTES-Lignin powder on different substrates, including glass, wood, metal and paper. The prepared lignin-based coatings have excellent repellency to water, with a water contact angle of 164.7°, as well as good friction resistance, acid resistance, alkali resistance, salt resistance properties and quite good self-cleaning performance. After 30 cycles of sand friction or being stayed in 2 mol/L HCl, 0.25 mol/L NaOH and 2 mol/L NaCl solution for 30 min, the coatings still retain super hydrophobic capability, with contact angles higher than 150°. The superhydrophobic performance of PFDTES-Lignin coatings is mainly attributed to the constructed high surface roughness and the low surface energy afforded by modified lignin. This lignin-based polymer coating is low-cost, scalable, and has huge potential application in different fields, providing a simple way for the value-added utilization of kraft lignin.
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Affiliation(s)
- Xue Liu
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (X.L.); (C.G.); (C.F.); (Y.X.)
| | - Chao Gao
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (X.L.); (C.G.); (C.F.); (Y.X.)
| | - Chenglong Fu
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (X.L.); (C.G.); (C.F.); (Y.X.)
| | - Yuebin Xi
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (X.L.); (C.G.); (C.F.); (Y.X.)
| | - Pedram Fatehi
- Chemical Engineering Department, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada;
| | - Joe R. Zhao
- Tri-Y Environmental Research Institute, Vancouver, BC V5M 3H9, Canada;
| | - Shoujuan Wang
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (X.L.); (C.G.); (C.F.); (Y.X.)
- Correspondence: (S.W.); (M.E.G.); (F.K.); Tel.: +86-531-8963-1883 (F.K.)
| | - Magdi E. Gibril
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (X.L.); (C.G.); (C.F.); (Y.X.)
- Correspondence: (S.W.); (M.E.G.); (F.K.); Tel.: +86-531-8963-1883 (F.K.)
| | - Fangong Kong
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (X.L.); (C.G.); (C.F.); (Y.X.)
- Correspondence: (S.W.); (M.E.G.); (F.K.); Tel.: +86-531-8963-1883 (F.K.)
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Zhao J, Zhang L, Cheng X, Wang J, Li Y, You J. Programmable Transition between Adhesive/Anti-Adhesive Performances on Porous PVDF Spheres Supported by Shape Memory PLLA. Polymers (Basel) 2022; 14:polym14030374. [PMID: 35160365 PMCID: PMC8839783 DOI: 10.3390/polym14030374] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/07/2022] [Accepted: 01/13/2022] [Indexed: 02/05/2023] Open
Abstract
Superhydrophobic surfaces with switchable adhesive/anti-adhesive performances are highly desired but still challenging. Herein, by loading porous poly (vinylidene fluoride) (PVDF) spheres on a shape memory polylactic acid (PLLA) film, a quasi-superhydrophobic surface of composite film (PVDF@PLLA) with the ability to tailor its surface structures/composition and related adhesive behaviors was fabricated. The as-prepared surface is covered by porous PVDF spheres. The combination of hydrophobicity of PVDF and hierarchical roughness resulted from porous spheres contributing to the high contact angle and low sliding angle, corresponding to Cassie state and lotus leaves effect. Upon uniaxial or biaxial tension, the distance among hydrophobic spheres is so high that more and more hydrophilic defects (PLLA film) have been exposed to water droplets, accounting for the quasi-superhydrophobic surface with a higher sliding angle. This is the reason for the Wenzel state and rose petals effect. After heating, PLLA film recovers to its original state. The porous PVDF spheres cover the whole film again, leading to the enhanced mobility of water droplets on the surface. The transition between the rose petals effect and the lotus leaves effect is programmable and reversible. Our result provides a novel strategy to tailor adhesive behaviors by combining (quasi-)superhydrophobic surface with shape memory effect.
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40
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Wang Y, Cai M, Chen T, Pan F, Wu F, You Z, Li J. Oxide of porous graphitized carbon as recoverable functional adsorbent that removes toxic metals from water. J Colloid Interface Sci 2022; 606:983-993. [PMID: 34487945 DOI: 10.1016/j.jcis.2021.08.082] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/07/2021] [Accepted: 08/09/2021] [Indexed: 12/31/2022]
Abstract
The numerous oxygenated functional groups on graphite oxide (GO) make it a promising adsorbent for toxic heavy metals in water. However, the GO prepared from natural graphite is water-soluble after exfoliation, making its recovery for reuse extremely difficult. In this study, porous graphitized carbon (PGC) was oxidized to fabricate a GO-like material, PGCO. The PGCO showed an O/C molar ratio of 0.63, and 8.4% of the surface carbon species were carboxyl, exhibiting enhanced oxidation degree compared to GO. The small PGCO sheets were intensely aggregated chemically, yielding an insoluble solid easily separable from water by sedimentation or filtration. Batch adsorption experiments demonstrated that the PGCO afforded significantly higher removal efficiencies for heavy metals than GO, owing to the former's greater functionalization with oxygenated groups. An isotherm study suggested that the adsorption obeyed the Langmuir model, and the derived maximum adsorption capacities for Cr3+, Pb2+, Cu2+, Cd2+, Zn2+, and Ni2+ were 119.6, 377.1, 99.1, 65.2, 53.0, and 58.1 mg/g, respectively. Furthermore, the spent PGCO was successively regenerated by acid treatment. The results of the study indicate that PGCO could be an alternative adsorbent for remediating toxic metal-contaminated waters.
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Affiliation(s)
- Yuan Wang
- School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Minjuan Cai
- School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Tao Chen
- School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Feng Pan
- School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Feng Wu
- School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Zhixiong You
- School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Jinjun Li
- School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China.
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41
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Liu S, Huang C, Wu P, Liu C, He J, Jiang W. Ultralow Adhesion and Phase Change Behaviors of Sulfur Droplets on the Superhydrophobic Surface and Its Application in the Granulation Process. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:13985-13997. [PMID: 34797666 DOI: 10.1021/acs.langmuir.1c01569] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Traditional sulfur granulation process is often accompanied by high dust and mechanical friction, which are dangerous and harmful to the environment. In this work, the application of the superhydrophobic surface to sulfur granulation is expected to solve the above problem. Two superhydrophobic metal sheets were prepared, and the rolling angles of the two samples are both less than 10°. The contact angles of liquid sulfur are 152.7 ± 0.5 and 151.3 ± 0.1°, respectively. The adhesion rates of both samples are less than 0.5 wt %. The solidifying process of a sulfur drop on the superhydrophobic surface was recorded and simulated, conforming that the substrate temperature has a great influence on the solidifying process. Based on the above findings, static granulation and rolling to granulation were proposed. The product obtained by the two methods has uniform particle size distribution and excellent compressive strength, showing a good industrial application prospect. This study provides a referral strategy for an economical and environmentally friendly sulfur granulation process.
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Affiliation(s)
- Shuyuan Liu
- Low-Carbon Technology and Chemical Reaction Engineering Laboratory, School of Chemical Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Chunni Huang
- Low-Carbon Technology and Chemical Reaction Engineering Laboratory, School of Chemical Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Pan Wu
- Low-Carbon Technology and Chemical Reaction Engineering Laboratory, School of Chemical Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Changjun Liu
- Low-Carbon Technology and Chemical Reaction Engineering Laboratory, School of Chemical Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Jian He
- Low-Carbon Technology and Chemical Reaction Engineering Laboratory, School of Chemical Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Wei Jiang
- Low-Carbon Technology and Chemical Reaction Engineering Laboratory, School of Chemical Engineering, Sichuan University, Chengdu 610065, P.R. China
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42
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Kumar A, Al-Jumaili A, Bazaka O, Ivanova EP, Levchenko I, Bazaka K, Jacob MV. Functional nanomaterials, synergisms, and biomimicry for environmentally benign marine antifouling technology. MATERIALS HORIZONS 2021; 8:3201-3238. [PMID: 34726218 DOI: 10.1039/d1mh01103k] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Marine biofouling remains one of the key challenges for maritime industries, both for seafaring and stationary structures. Currently used biocide-based approaches suffer from significant drawbacks, coming at a significant cost to the environment into which the biocides are released, whereas novel environmentally friendly approaches are often difficult to translate from lab bench to commercial scale. In this article, current biocide-based strategies and their adverse environmental effects are briefly outlined, showing significant gaps that could be addressed through advanced materials engineering. Current research towards the use of natural antifouling products and strategies based on physio-chemical properties is then reviewed, focusing on the recent progress and promising novel developments in the field of environmentally benign marine antifouling technologies based on advanced nanocomposites, synergistic effects and biomimetic approaches are discussed and their benefits and potential drawbacks are compared to existing techniques.
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Affiliation(s)
- Avishek Kumar
- Electronics Materials Lab, College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia.
| | - Ahmed Al-Jumaili
- Electronics Materials Lab, College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia.
- Medical Physics Department, College of Medical Sciences Techniques, The University of Mashreq, Baghdad, Iraq
| | - Olha Bazaka
- School of Science, RMIT University, PO Box 2476, Melbourne, VIC 3001, Australia
| | - Elena P Ivanova
- School of Science, RMIT University, PO Box 2476, Melbourne, VIC 3001, Australia
| | - Igor Levchenko
- Plasma Sources and Application Centre, NIE, Nanyang Technological University, 637616, Singapore
| | - Kateryna Bazaka
- Electronics Materials Lab, College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia.
- Faculty of Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia
- School of Engineering, The Australian National University, Canberra, ACT 2601, Australia
| | - Mohan V Jacob
- Electronics Materials Lab, College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia.
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43
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Cheng H, Yang G, Li D, Li M, Cao Y, Fu Q, Sun Y. Ultralow Icing Adhesion of a Superhydrophobic Coating Based on the Synergistic Effect of Soft and Stiff Particles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:12016-12026. [PMID: 34614360 DOI: 10.1021/acs.langmuir.1c01626] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A novel superhydrophobic coating composed of soft polydimethylsiloxane microspheres and stiff SiO2 nanoparticles was developed and prepared. This superhydrophobic coating showed excellent superhydrophobicity with a large water contact angle of 171.3° and also exhibited good anti-icing performance and ultralow icing adhesion of 1.53 kPa. Furthermore, the superhydrophobic coating displayed good icing/deicing cycle stability, in which the icing adhesion was still less than 10.0 kPa after 25 cycles. This excellent comprehensive performance is attributed to stress-localization between ice and the surface, resulting from the synergistic effect of soft and stiff particles. This work thus opens a new avenue to simultaneously optimize the anti-icing and icephobic performance of a superhydrophobic surface for various applications.
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Affiliation(s)
- Houde Cheng
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P.R. China
| | - Guiyan Yang
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P.R. China
| | - Dan Li
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P.R. China
| | - Mengru Li
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P.R. China
| | - Yang Cao
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P.R. China
| | - Qiang Fu
- School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo NSW 2007, Australia
| | - Youyi Sun
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P.R. China
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Xie Z, Wang H, Geng Y, Li M, Deng Q, Tian Y, Chen R, Zhu X, Liao Q. Carbon-Based Photothermal Superhydrophobic Materials with Hierarchical Structure Enhances the Anti-Icing and Photothermal Deicing Properties. ACS APPLIED MATERIALS & INTERFACES 2021; 13:48308-48321. [PMID: 34587444 DOI: 10.1021/acsami.1c15028] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Ice formation on the surface of outdoor equipment brings significant inconvenience to human life and production. Superhydrophobic materials with the micro-nanostructure are considered to be effective anti-icing materials. However, repeated icing and deicing processes will destroy the structure and lose anti-icing properties. Herein, low-cost, durable, high-efficiency photothermal superhydrophobic materials were prepared by electrochemical deposition and silanization treatment methods. Combined with the black-body property of carbon materials and the micro-nano hierarchical structure, the as-prepared material has excellent photothermal and superhydrophobic properties. The surface temperature can rise to 90 °C, and the freezing droplets can melt in 100 s under 100 mW/cm2 of sunlight illumination. The superhydrophobic property endows the material with excellent anti-icing performance, and the icing delay time is as long as 3600 s. The melted water droplet can quickly roll off due to the low adhesion of the superhydrophobic surface, which avoids the refreezing of the melted droplet and enhances the photothermal conversion performance. We innovatively use the elemental tracer method to understand the melted water droplet roll off mechanism on inclined surfaces. In addition, the heat transfer model of anti-icing and photothermal deicing processes are established to confirm that the heat required for melting ice during the deicing process is mainly generated by photothermal materials. Finally, the feasibility of practical application of the material was verified by the anti-icing/deicing experiment of a wind turbine blade and ice/frost layer melting experiment. It concludes that the superior anti-icing and deicing properties are realized using the high photothermal conversion and excellent superhydrophobic properties of the prepared photothermal superhydrophobic materials. This study provides a perspective for constructing micro-nano hierarchical structures on the surface and combining them with the abundant solar energy in nature to develop photothermal anti-icing materials for practical application.
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Affiliation(s)
- Zhenting Xie
- MOE Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering Chongqing University, Chongqing 400044, China
- Institute of Engineering Thermophysics, Chongqing University, Chongqing 400044, China
| | - Hong Wang
- MOE Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering Chongqing University, Chongqing 400044, China
- Institute of Engineering Thermophysics, Chongqing University, Chongqing 400044, China
| | - Yang Geng
- MOE Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering Chongqing University, Chongqing 400044, China
- CQU-NUS Renewable Energy Materials & Devices Joint Laboratory, Chongqing University, Chongqing 400044, China
| | - Meng Li
- MOE Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering Chongqing University, Chongqing 400044, China
- CQU-NUS Renewable Energy Materials & Devices Joint Laboratory, Chongqing University, Chongqing 400044, China
| | - Qiyuan Deng
- MOE Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering Chongqing University, Chongqing 400044, China
- Institute of Engineering Thermophysics, Chongqing University, Chongqing 400044, China
| | - Ye Tian
- MOE Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering Chongqing University, Chongqing 400044, China
- Institute of Engineering Thermophysics, Chongqing University, Chongqing 400044, China
| | - Rong Chen
- MOE Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering Chongqing University, Chongqing 400044, China
- Institute of Engineering Thermophysics, Chongqing University, Chongqing 400044, China
| | - Xun Zhu
- MOE Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering Chongqing University, Chongqing 400044, China
- Institute of Engineering Thermophysics, Chongqing University, Chongqing 400044, China
| | - Qiang Liao
- MOE Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering Chongqing University, Chongqing 400044, China
- Institute of Engineering Thermophysics, Chongqing University, Chongqing 400044, China
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Selim MS, Fatthallah NA, Higazy SA, Hao Z, Jing Mo P. A comparative study between two novel silicone/graphene-based nanostructured surfaces for maritime antifouling. J Colloid Interface Sci 2021; 606:367-383. [PMID: 34392032 DOI: 10.1016/j.jcis.2021.08.026] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 08/04/2021] [Accepted: 08/05/2021] [Indexed: 02/07/2023]
Abstract
Two novel superhydrophobic nanocomposite series of polydimethylsiloxane (PDMS) enriched with reduced graphene oxide (RGO) and graphene oxide/boehmite nanorods (GO-γ-AlOOH) nanofillers were synthesized as maritime fouling-release (FR) surfaces. Controlling the nanofillers' structures and distribution in the silicone matrix influenced the self-cleaning and antifouling properties. γ-AlOOH nanorods had a single crystallinity with an average diameter of 10-20 nm and < 200 nm length. A hydrothermal method was used to prepare RGO, while the chemical deposition method was used to synthesis GO-γ-AlOOH nanocomposites for use as fouling-release coating materials. For studying the synergetic effects of graphene-based materials on the surface, mechanical, and FR features, these nanofillers were dispersed in the silicone matrix using the solution casting method. The hydrophobicity and antifouling properties of the surface were studied using water contact angle (WCA), scanning electron, and atomic force microscopes (SEM and AFM). Coatings' roughness, superhydrophobicity, and surface mechanical properties all improved for the homogeneity of the dispersion of the nanocomposite. Laboratory assessments were carried out for 30 days using selected microorganisms to determine the antifouling effects of the coating systems. PDMS/GO-γ-AlOOH nanorod composite had better antibacterial activity than PDMS/RGO nanocomposite against different bacterial strains. This is caused by the high surface area and stabilizing effects of the GO-γ-AlOOH hybrid nanofillers. The PDMS/GO-γ-AlOOH nanorod composite (3 wt%) had the lowest biodegradability percentage (1.6%) and the microbial endurability percentages for gram-positive, gram-negative, and fungi were 86.42%, 97.94%, and 85.97%, respectively. A field trial in natural seawater was conducted to confirm the coatings' FR performance based on the screening process and image analysis for 45 days in a tropical area. The most profound superhydrophobic antifouling nanostructured coating was the homogeneity of the GO-γ-AlOOH (3 wt%) dispersion, which had a WCA of 151° and a rough surface.
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Affiliation(s)
- Mohamed S Selim
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, PR China; Petroleum Application Department, Egyptian Petroleum Research Institute (EPRI), Nasr City 11727, Cairo, Egypt.
| | | | - Shimaa A Higazy
- Petroleum Application Department, Egyptian Petroleum Research Institute (EPRI), Nasr City 11727, Cairo, Egypt
| | - Zhifeng Hao
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, PR China.
| | - Ping Jing Mo
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, PR China
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